‘- Golf cart speed chips can be plugged into the outside of the PDS controller to change the performance characteristics of golf carts;- High speed update chips Fits EZGO 2000-up electric 36 volt golf carts with a PDS controller only (Precision Drive System carts which forward/reverse switch mounted on the dash);- Allows your PDS (Precision Drive System) 36 volt cart the ability to increase its overall speed without the high cost of upgrading your controller or motor.- EZGO update chips OEM Part Number: 73272-G01- Freedom speed chip could noticeably faster your EZGO PDS Cart to a top speed of about 18~ 22mph,allow it increase its overall speed without the high cost of upgrading your controller or motor;- Easy to install,takes roughly 10 minutes install;NOTE: Dont forget to turn off the tow maintenance switch before installing the plug.